height

How high can you get a multi rotor to fly? Anything goes, GPS, radio control, timer, don't matter. Get it as high as you can and prove how high it went with telemetry or video. Can you beat a rocket?
Do it.

Hello All,
I am setting up a ground station for FPV. Doing reseach and found some guys have low to the ground antennas. And others high. I am making my system around 5.8MHz. Do each frequency have a different optimal height that the antennas work better. Or one height better for long distance...